when it comes to snow and ice my excursion doesn't handle anywhere near as good as my F250. i would think with all the xtra weight it would handle better. it feels like it has a little sway in the tail then when it gets to the end of the sway it wants to break loose. i had a suburban for a while and even that pos chebby did better. but i do love everything els about it.

Posi's tend to want to have the rear end kick out easier than open differentials. It all has to do with both wheels being locked together and the crown of the road causing them to sway. Ive seen ranger, explorers, F-150's...and superduty/excursions react this way with a posi....they go anywhere in four wheel drive..but dont handle great on ice in two wheel drive...

My truck is straight as an arrow until i try accelerating or turning back ends so light it just goes its own course. Thats where the fun comes in. But whenever Imon ice or snow I drop her in 4 hi alot easier and safer

ok so its normal... thanks Marc.
i think my p/u has l/s rear also but handles much better on snow and ice i am use to it now and dont drive the excursion as much. it is my wifes so i usually play in my p/u.

i got to UT alot in the winter and drive in some pretty bad stuff..i'm 2wd and everything seems to do fine as long as i say under 15 MPH..after that it's a hellish experience that no one should have to endure..so really it's not that bad..really..

i got to UT alot in the winter and drive in some pretty bad stuff..i'm 2wd and everything seems to do fine as long as i say under 15 MPH..after that it's a hellish experience that no one should have to endure..so really it's not that bad..really..

under 15 i would go bonkers. I live in Alaska and drove 81 F150 2WD for 10 years, just threw 150# of sand bags between the wheel wells. My P/U is great on the ice i do very stupid stuff in it and it takes it very well and i am always in 2WD unless I'm on a goat trail or loggin road somewhere.
I am known to bury my speedo regularly on icy roads as long as there is no traffic (like I said pretty stupid).

with mine being 2wd taking off in deep snow sucks especially with 1 tire driving only!!!!

but one you get going it is like a dang tank with the long wheel base and weight of it... this winter I put about 300 lbs of snow in the box after our big snow storm where we got a foot of snow in 6 hrs, and well it went every where I pointed it

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